Writing instrument



FIG. 1 is a front/left/top perspective view of the writing instrument, wherein the front/right/top perspective view would be a mirror image thereof;

FIG. 2 is a left side view thereof, wherein the right side view would be a mirror image thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a rear/right/top perspective view thereof, wherein the rear/left/top perspective view would be a mirror image thereof;

FIG. 5 is a rear/right/top perspective view thereof (taken at a different angle than FIG. 4), wherein the rear/left/top perspective view would be a mirror image thereof, and

FIG. 6 is a top/rear perspective view thereof;

FIG. 7 is a top/front perspective view thereof.

FIG. 8 is an exploded front/left/top perspective view thereof, wherein the front/right/top perspective view would be a mirror image thereof;

FIG. 9 is an exploded left side view thereof, wherein, the right side view would be a mirror image thereof;

FIG. 10 is an exploded top view thereof; and,

FIG. 11 is an exploded rear/right/top perspective view thereof, wherein the rear/left/top perspective view would be a mirror image thereof.

The broken lines showing the clip and top portion, the writing tip housing and the inside of the cap in FIGS. 1-11 show portions that form no part of the claimed design. 

I claim the ornamental design for a writing instrument, as shown and described. 